The invention relates to a load torque lock (1) comprising a sling element (12) that frictionally interacts with a brake component (13) for blocking a torque, and a drive wheel (14) that is coupled in a torque transferring manner to a carrier (15; 15a) having at least one contact area (25) to the sl
The invention relates to a load torque lock (1) comprising a sling element (12) that frictionally interacts with a brake component (13) for blocking a torque, and a drive wheel (14) that is coupled in a torque transferring manner to a carrier (15; 15a) having at least one contact area (25) to the sling element (12) and engaging axially in the drive wheel (14), by means of which a torque to be blocked can be initiated in the sling element (12). According to the invention, the carrier (15; 15a) has means for reducing the bending tension in the at least one contact region (25).
대표청구항▼
1. A load torque lock (1) comprising: a sling element (12) which interacts frictionally with a brake component (13) for blocking a torque, and a drive wheel (14) which is coupled in a torque transmitting manner to a carrier (15; 15a), which carrier (15; 15a) engages axially in the drive wheel (14) a
1. A load torque lock (1) comprising: a sling element (12) which interacts frictionally with a brake component (13) for blocking a torque, and a drive wheel (14) which is coupled in a torque transmitting manner to a carrier (15; 15a), which carrier (15; 15a) engages axially in the drive wheel (14) and has at least one contact region (25) to the sling element (12), by means of which carrier (15; 15a) a torque to be blocked can be induced in the sling element (12), characterized in that the contact region (25) is formed by a metal element (20, 20a to 20e) arranged on a plastic portion (24) of the carrier (15; 15a) for reducing a bending stress in the at least one contact region (25). 2. The load torque lock as claimed in claim 1, characterized in that the carrier (15; 15a) is formed entirely from plastic material except for the at least one metal element (20, 20a to 20e) forming the at least one contact region (25). 3. The load torque lock as claimed in claim 2, characterized in that the metal element (20, 20a to 20e) is clipped to the plastic portion (24). 4. The load torque lock as claimed in claim 2, characterized in that the carrier (15; 15a) is formed as a plastic injection molded part. 5. The load torque lock as claimed in claim 1, characterized in that the metal element (20, 20a to 20e) is configured as one of a shell and a pot at least partially enclosing the plastic portion (24). 6. The load torque lock as claimed in claim 5, characterized in that the metal element (20c; 20d; 20e) has at least one support section (38; 38d; 43, 44) arranged perpendicularly to the contact region (25), which support section (38; 38d; 43, 44) is one of embedded in the carrier (15; 15a) and bearing against a surface of the carrier (15; 15a). 7. The load torque lock as claimed in claim 1, characterized in that the metal element (20a) is mounted rotatably on a bearing pin (30) for the carrier (15), and in that the metal element (20a) has at least one contact section (31) arranged parallel to an axis of the bearing pin (30), which contact section (31) interacts with the at least one contact region (25) of the carrier (15). 8. The load torque lock as claimed in claim 7, characterized in that the metal element (20a) has a middle region (27) with outer portions on which a respective contact section (31) is arranged. 9. The load torque lock as claimed in claim 8, characterized in that the middle region (27) is arranged in a plane below the carrier (15). 10. The load torque lock as claimed in claim 1, characterized in that the metal element (20; 20a to 20e) is in the form of a punched and bent part. 11. The load torque lock as claimed in claim 1, characterized in that end faces (33, 34) acting as contact faces are arranged on a projection (18a) of the carrier (15a), and in that a radius (36) is formed in a transitional region between the end faces (33, 34) and a base (35) of the carrier (15a), at least on a side of the end faces (33, 34). 12. The load torque lock as claimed in claim 11, characterized in that the projection (18a) occupies an angular range of at least 10°, viewed transversely to a longitudinal axis of the carrier (15a). 13. The load torque lock as claimed in claim 1, characterized in that the sling element (12) is in the form of one of a sling spring, a sling link chain, a sling strap, and a sling cable.
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